Use of enzymes for the clarification of wines
RESOLUTION OENO 12/2004
USE OF ENZYMES FOR THE CLARIFICATION OF WINES
THE GENERAL ASSEMBLY,
IN VIEW of Article 2 paragraph iv of the Agreement of 3 April 2001 establishing the International Organisation of Vine and Wine
CONSIDERING the works of the expert group “Wine technology”, on the use of enzymes in oenology,
DECIDES, upon the proposal by Commission II “Oenology”, to introduce in the International Code of Oenological Practices the following oenological practices and treatments:
PART II
Chapter 3: Wines
Use of enzymes for the clarification of wines
Definition:
The addition to wine of enzymatic preparations with in particular, polygalacturonase, pectin lyase, pectinmethylesterase and/or -glucanase activities that catalyse the degradation of pectic polysaccharides and/or fungal -glucans.
Objective:
To facilitate the clarification of wines.
Prescription:
The enzymes used must comply with the prescriptions of the International Oenological Codex.
Recommendation of the OIV:
Admitted.